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25275030030 = 2325280833667
BaseRepresentation
bin10111100010100000…
…100101101000001110
32102020110102120002100
4113202200211220032
5403230401430110
615340003335530
71553224132125
oct274240455016
972213376070
1025275030030
11a7a0106178
124a946815a6
1324ca500993
14131aadaabc
159cddecbc0
hex5e2825a0e

25275030030 has 24 divisors (see below), whose sum is σ = 65715078312. Its totient is φ = 6740007984.

The previous prime is 25275030017. The next prime is 25275030047. The reversal of 25275030030 is 3003057252.

It is a junction number, because it is equal to n+sod(n) for n = 25275029976 and 25275030003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140416744 + ... + 140416923.

It is an arithmetic number, because the mean of its divisors is an integer number (2738128263).

Almost surely, 225275030030 is an apocalyptic number.

25275030030 is an abundant number, since it is smaller than the sum of its proper divisors (40440048282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25275030030 is a wasteful number, since it uses less digits than its factorization.

25275030030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280833680 (or 280833677 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

Adding to 25275030030 its reverse (3003057252), we get a palindrome (28278087282).

The spelling of 25275030030 in words is "twenty-five billion, two hundred seventy-five million, thirty thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 280833667 561667334 842501001 1404168335 1685002002 2527503003 2808336670 4212505005 5055006006 8425010010 12637515015 25275030030